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Heavy rain and flash flooding possible in portions of the Southwest this weekend

An upper-level low in the Southwest U.S. will act as a trigger for thunderstorms this weekend. The area of greatest concern is in New Mexico, southeast Utah and portions of southern Colorado. Storms will be slow moving and could bring several rounds of rain to the same areas. Rainfall amounts may exceed 3 inches in localized areas. Flash Flood Watches are in effect. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

75°F

24°C

Humidity 96%
Wind Speed W 8 mph
Barometer 29.79 in (1008.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 19 Aug 12:56 am EDT
Extended Forecast for

Selden NY

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 3am, then a slight chance of showers.  Patchy fog.  Otherwise, cloudy, with a low around 73. Southwest wind around 11 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely and
    Patchy Fog

    Low: 73 °F

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. West wind 7 to 9 mph.

    Patchy Fog
    then Mostly
    Sunny

    High: 86 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 69. West wind 5 to 9 mph.

    Partly Cloudy

    Low: 69 °F

  • Sunday

    Sunday: Sunny, with a high near 84. Northwest wind around 9 mph.

    Sunny

    High: 84 °F

  • Sunday
    Night

    Sunday Night: Clear, with a low around 68. West wind 5 to 7 mph becoming north after midnight.

    Clear

    Low: 68 °F

  • Monday

    Monday: Sunny, with a high near 86.

    Sunny

    High: 86 °F

  • Monday
    Night

    Monday Night: Clear, with a low around 71.

    Clear

    Low: 71 °F

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    Sunny

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 72.

    Mostly Cloudy

    Low: 72 °F

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 3am, then a slight chance of showers. Patchy fog. Otherwise, cloudy, with a low around 73. Southwest wind around 11 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. West wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 69. West wind 5 to 9 mph.
Sunday
Sunny, with a high near 84. Northwest wind around 9 mph.
Sunday Night
Clear, with a low around 68. West wind 5 to 7 mph becoming north after midnight.
Monday
Sunny, with a high near 86.
Monday Night
Clear, with a low around 71.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly cloudy, with a low around 72.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Wednesday Night
Mostly cloudy, with a low around 66.
Thursday
Sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 78.
Click Map For Forecast
Point Forecast:
Selden NY
 40.86°N 73.04°W (Elev. 115 ft)
9:53 pm EDT Aug 18, 2017
1am EDT Aug 19, 2017-6pm EDT Aug 25, 2017
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database